10009999969 has 2 divisors, whose sum is σ = 10009999970. Its totient is φ = 10009999968.

The previous prime is 10009999949. The next prime is 10009999991. The reversal of 10009999969 is 96999990001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5415193744 + 4594806225 = 73588^2 + 67785^2 .

It is a cyclic number.

It is not a de Polignac number, because 10009999969 - 2⁹ = 10009999457 is a prime.

It is a super-2 number, since 2×10009999969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10009999949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5004999984 + 5004999985.

It is an arithmetic number, because the mean of its divisors is an integer number (5004999985).

Almost surely, 2^10009999969 is an apocalyptic number.

It is an amenable number.

10009999969 is a deficient number, since it is larger than the sum of its proper divisors (1).

10009999969 is an equidigital number, since it uses as much as digits as its factorization.

10009999969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3188646, while the sum is 61.

The spelling of 10009999969 in words is "ten billion, nine million, nine hundred ninety-nine thousand, nine hundred sixty-nine".